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Ultralight crystalline hybrid composite material for highly efficient sequestration of radioiodine

Author

Listed:
  • Sahel Fajal

    (Indian Institute of Science Education and Research (IISER) Pune, Dr. Homi Bhaba Road, Pashan)

  • Writakshi Mandal

    (Indian Institute of Science Education and Research (IISER) Pune, Dr. Homi Bhaba Road, Pashan)

  • Arun Torris

    (CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road)

  • Dipanjan Majumder

    (Indian Institute of Science Education and Research (IISER) Pune, Dr. Homi Bhaba Road, Pashan)

  • Sumanta Let

    (Indian Institute of Science Education and Research (IISER) Pune, Dr. Homi Bhaba Road, Pashan)

  • Arunabha Sen

    (Indian Institute of Science Education and Research (IISER) Pune, Dr. Homi Bhaba Road, Pashan)

  • Fayis Kanheerampockil

    (CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road)

  • Mandar M. Shirolkar

    (Advanced Bio-Agro Tech Pvt. Ltd, Baner
    Norel Nutrient Bio-Agro Tech Pvt. Ltd, Baner)

  • Sujit K. Ghosh

    (Indian Institute of Science Education and Research (IISER) Pune, Dr. Homi Bhaba Road, Pashan
    Indian Institute of Science Education and Research (IISER) Pune, Dr. Homi Bhaba Road, Pashan)

Abstract

Considering the importance of sustainable nuclear energy, effective management of radioactive nuclear waste, such as sequestration of radioiodine has inflicted a significant research attention in recent years. Despite the fact that materials have been reported for the adsorption of iodine, development of effective adsorbent with significantly improved segregation properties for widespread practical applications still remain exceedingly difficult due to lack of proper design strategies. Herein, utilizing unique hybridization synthetic strategy, a composite crystalline aerogel material has been fabricated by covalent stepping of an amino-functionalized stable cationic discrete metal-organic polyhedra with dual-pore containing imine-functionalized covalent organic framework. The ultralight hybrid composite exhibits large surface area with hierarchical macro-micro porosity and multifunctional binding sites, which collectively interact with iodine. The developed nano-adsorbent demonstrate ultrahigh vapor and aqueous-phase iodine adsorption capacities of 9.98 g.g−1 and 4.74 g.g−1, respectively, in static conditions with fast adsorption kinetics, high retention efficiency, reusability and recovery.

Suggested Citation

  • Sahel Fajal & Writakshi Mandal & Arun Torris & Dipanjan Majumder & Sumanta Let & Arunabha Sen & Fayis Kanheerampockil & Mandar M. Shirolkar & Sujit K. Ghosh, 2024. "Ultralight crystalline hybrid composite material for highly efficient sequestration of radioiodine," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45581-9
    DOI: 10.1038/s41467-024-45581-9
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    References listed on IDEAS

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    1. Baiyan Li & Xinglong Dong & Hao Wang & Dingxuan Ma & Kui Tan & Stephanie Jensen & Benjamin J. Deibert & Joseph Butler & Jeremy Cure & Zhan Shi & Timo Thonhauser & Yves J. Chabal & Yu Han & Jing Li, 2017. "Capture of organic iodides from nuclear waste by metal-organic framework-based molecular traps," Nature Communications, Nature, vol. 8(1), pages 1-9, December.
    2. Yaqiang Xie & Tingting Pan & Qiong Lei & Cailing Chen & Xinglong Dong & Youyou Yuan & Walid Al Maksoud & Long Zhao & Luigi Cavallo & Ingo Pinnau & Yu Han, 2022. "Efficient and simultaneous capture of iodine and methyl iodide achieved by a covalent organic framework," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
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